Sometimes, it is absolutely incredible to think about civilisations that no longer exist today - and even more incredible to think that relics from those times actually exist and are able to be seen and visited. Here are some of our favourite examples of ancient civilisations around the world.

As part of York’s esteemed Literature Festival, train enthusiast, enigmatic TV star and former Conservative MP Michael Portillo held a personal insight into his private life, his politics and of course, his railway fame.